11200 search results - page 1686 / 2240 » An Object-oriented Optimization System |
127
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EDBT
2008
ACM
16 years 5 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
147
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MOBIHOC
2003
ACM
16 years 4 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
139
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MOBIHOC
2003
ACM
16 years 4 months ago
2003
ACM
In this paper, we address the problem of energy-conscious cache placement in wireless ad hoc networks. We consider a network comprising a server with an interface to the wired net...
171
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ECIR
2009
Springer
16 years 2 months ago
2009
Springer
Abstract. This paper concerns document ranking in information retrieval. In information retrieval systems, the widely accepted probability ranking principle (PRP) suggests that, fo...
140
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PLDI
2009
ACM
15 years 12 months ago
2009
ACM
Modern programs frequently employ sophisticated modular designs. As a result, performance problems cannot be identified from costs attributed to routines in isolation; understand...